Flotation also spelled floatation involves phenomena related to the relative buoyancy of process, in process engineering, a method for the separation of mixtures. Froth flotation, a process for separating hydrophobic from hydrophilic

In froth flotation it is very important to have a fresh, newly cracked surface. The frothing technique is done with a soda carbonator and a mixture of 1 mlL glacial Biotite can not be separated this way, you need to use a magnetic separator.